mfd: cros_ec: Add API for EC-EC communication (d90a4121) · Commits · 戴 / test

include/linux/mfd/cros_ec_commands.h

+95 −0

Original line number	Diff line number	Diff line
		@@ -5043,6 +5043,101 @@ struct ec_response_pd_chip_info_v1 {
		};
		} __ec_align2;

		/*****************************************************************************/
		/* EC-EC communication commands: range 0x0600-0x06FF */

		#define EC_COMM_TEXT_MAX 8

		/*
		* Get battery static information, i.e. information that never changes, or
		* very infrequently.
		*/
		#define EC_CMD_BATTERY_GET_STATIC 0x0600

		/**
		* struct ec_params_battery_static_info - Battery static info parameters
		* @index: Battery index.
		*/
		struct ec_params_battery_static_info {
		uint8_t index;
		} __ec_align_size1;

		/**
		* struct ec_response_battery_static_info - Battery static info response
		* @design_capacity: Battery Design Capacity (mAh)
		* @design_voltage: Battery Design Voltage (mV)
		* @manufacturer: Battery Manufacturer String
		* @model: Battery Model Number String
		* @serial: Battery Serial Number String
		* @type: Battery Type String
		* @cycle_count: Battery Cycle Count
		*/
		struct ec_response_battery_static_info {
		uint16_t design_capacity;
		uint16_t design_voltage;
		char manufacturer[EC_COMM_TEXT_MAX];
		char model[EC_COMM_TEXT_MAX];
		char serial[EC_COMM_TEXT_MAX];
		char type[EC_COMM_TEXT_MAX];
		/* TODO(crbug.com/795991): Consider moving to dynamic structure. */
		uint32_t cycle_count;
		} __ec_align4;

		/*
		* Get battery dynamic information, i.e. information that is likely to change
		* every time it is read.
		*/
		#define EC_CMD_BATTERY_GET_DYNAMIC 0x0601

		/**
		* struct ec_params_battery_dynamic_info - Battery dynamic info parameters
		* @index: Battery index.
		*/
		struct ec_params_battery_dynamic_info {
		uint8_t index;
		} __ec_align_size1;

		/**
		* struct ec_response_battery_dynamic_info - Battery dynamic info response
		* @actual_voltage: Battery voltage (mV)
		* @actual_current: Battery current (mA); negative=discharging
		* @remaining_capacity: Remaining capacity (mAh)
		* @full_capacity: Capacity (mAh, might change occasionally)
		* @flags: Flags, see EC_BATT_FLAG_*
		* @desired_voltage: Charging voltage desired by battery (mV)
		* @desired_current: Charging current desired by battery (mA)
		*/
		struct ec_response_battery_dynamic_info {
		int16_t actual_voltage;
		int16_t actual_current;
		int16_t remaining_capacity;
		int16_t full_capacity;
		int16_t flags;
		int16_t desired_voltage;
		int16_t desired_current;
		} __ec_align2;

		/*
		* Control charger chip. Used to control charger chip on the slave.
		*/
		#define EC_CMD_CHARGER_CONTROL 0x0602

		/**
		* struct ec_params_charger_control - Charger control parameters
		* @max_current: Charger current (mA). Positive to allow base to draw up to
		* max_current and (possibly) charge battery, negative to request current
		* from base (OTG).
		* @otg_voltage: Voltage (mV) to use in OTG mode, ignored if max_current is
		* >= 0.
		* @allow_charging: Allow base battery charging (only makes sense if
		* max_current > 0).
		*/
		struct ec_params_charger_control {
		int16_t max_current;
		uint16_t otg_voltage;
		uint8_t allow_charging;
		} __ec_align_size1;

		/*****************************************************************************/
		/*
		* Reserve a range of host commands for board-specific, experimental, or

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